<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .img {
            width: 100%;
        }

        .top {
            width: 35px;
            height: 45px;
            background-color: red;
            font-size: 15px;
            color: white;
            font-weight: bold;
            padding-left: 5px;
            padding-top: 5px;
            position: fixed;
            top: 525px;
            right: 10px;
            display: none;
        }
    </style>
</head>

<body>
    <div>
        <div class="img"><img src="../image/bj.png" alt=""></div>
        <div class="top">返回<br />顶部</div>
    </div>

</body>
<script src="../js/work.js"></script>

</html>